Along with US President Donald Trump (78) and his father Elon Musk (53), four-year-old X Æ A-Xii, nicknamed X, was allowed to watch a cage fight in Miami on Saturday evening. It was a UFC fight ...

Ellie Cook is a Newsweek security and defense reporter based in London, U.K. Her work focuses largely on the Russia-Ukraine war, the U.S. military, weapons systems and emerging technology.

President Donald Trump speaks with Elon Musk’s son X Æ A-12 as they sit with US Secretary of Health and Human Services Robert F. Kennedy Jr. and his wife actress Cheryl Hines. AFP via Getty Images

The billionaire Tesla CEO discussed in a White House interview a wide-ranging set topics including reflecting on the last few months in Washington.

Trump’s proposal cuts SpaceX competitors out of the NASA budget and could add billions to the company’s defense contracts.

The big news during his weekend stay was that Trump, Elon Musk and Secretary of State Marco Rubio dined at Mar-a-Lago on the heels of reports of a Rubio-Musk blow-up at a White House Cabinet meeting on March 6. Also present that evening at the Palm Beach club was Fox News personality Sean Hannity.

Elon Musk is one of the most frequent guests on The Joe Rogan Experience podcast. Recently, a Tesla fan account shared a clip of Musk from a four-year-old episode on X/Twitter.

Dana White has provided little cause for optimism regarding a potential UFC return for Conor McGregor. McGregor, 36, hasn’t competed in MMA since suffering back-to-back losses to Dustin Poirier in 2021, but was on the cusp of a return after agreeing to square off against long-time rival Michael Chandler last June.